To convert a ratio to percentage, divide the numerator by the denominator, then multiply by 100 and add the percent sign. Example 1: There are 20 students in a classroom. 9 of the students are girls.
Categories of restraints. Three general categories of restraints existâphysical restraint, chemical restraint, and seclusion. Physical restraint. Physical restraint, the most frequently used type, is a specific. intervention or device that prevents the patient from moving freely or restricts normal access to the patientâs own body. Physical restraint may involve: applying a wrist, ankle, or waist restraint.
Restraints may be used to keep a person in proper position and prevent movement or falling during surgery or while on a stretcher. Restraints can also be used to control or prevent harmful behavior. Sometimes hospital patients who are confused need restraints so that they do not: Scratch their skin.